/* 面包屑导航 */
.crumb {
  height: 40px;
  line-height: 40px;
  background-color: #f3f3f3;
}

/* 左侧pic400 */
.pic400 {
  width: 400px;
  background-color: yellowgreen;
  cursor: pointer;
}

/* 右侧 pr_txt */
.pr_txt {
  width: 718px;
  /* background-color: pink; */
}

.pr_txt h3 {
  font-size: 16px;
  color: #333333;
  line-height: 19px;
}

.pr_txt .pr_ad {
  color: #e12228;
  margin-top: 16px;
  margin-bottom: 20px;
}
/*公有 dl的样式 */
.pr_txt dl {
  /* 解决dt和dd浮动问题 */
  overflow: hidden;
  /* 一个上下内边距 */
  padding: 10px 0;
}
/* 公有 dt样式 */
.pr_txt dl dt {
  float: left;
  width: 70px;
  text-align: center;
  margin-right: 15px;
}
/* 公有 dd样式 */
.pr_txt dl dd {
  float: left;
  width: 633px;
}
/*  price和cuxiao模块 */
.price,
.cuxiao {
  background-color: #fee9eb;
}

/* 促销文字为了换行 给了一个固定的宽度 把内容往下一行挤 */
.pr_txt .cuxiao dd {
  width: 545px;
}
/* 竖线 */
.shuxian {
  width: 546px;
  height: 1px;
  background-color: #ededed;
  margin: 3px 0 15px;
}
/* 颜色 */
.pr_color a {
  display: inline-block;
  width: 82px;
  height: 43px;
  line-height: 43px;
  background-color: #f7f7f7;
  border: solid 1px #ededed;
  text-align: center;
}

.pr_color dt {
  line-height: 43px;
}
/* 版本 */
.pr_banben a {
  display: inline-block;
  width: 68px;
  height: 34px;
  line-height: 34px;
  background-color: #f7f7f7;
  border: solid 1px #ededed;
  text-align: center;
}
.pr_banben dt {
  line-height: 34px;
}
/* 容量 */
.pr_rongliang a {
  display: inline-block;
  width: 68px;
  height: 34px;
  line-height: 34px;
  background-color: #f7f7f7;
  border: solid 1px #ededed;
  text-align: center;
}
.pr_rongliang dt {
  line-height: 34px;
}

/* 购买方式 */
.pr_buy a {
  display: inline-block;
  width: 68px;
  height: 34px;
  line-height: 34px;
  background-color: #f7f7f7;
  border: solid 1px #ededed;
  text-align: center;
}
.pr_buy dt {
  line-height: 34px;
}

/* 加入购物车 */
.num1 {
  position: relative;
  width: 49px;
  height: 44px;
  border: 1px solid #ccc;
  /* 距离右侧的a链接的外边距 */
  margin-right: 10px;
}

.num1 input {
  width: 33px;
  height: 44px;
  background-color: #fff;
  /* 光标定位到中心位置 */
  text-align: center;
  color: #000000;
}

.num1 span {
  position: absolute;
  display: block;
  background-color: #f1f1f1;
  height: 22px;
  width: 15px;
  text-align: center;
  line-height: 22px;
}
.num1 .jia {
  right: 0;
  top: 0;
  cursor: pointer;
  border-left: 1px solid #ccc;
}

.num1 .jian {
  right: 0;
  bottom: 0;
  cursor: not-allowed;
  border-left: 1px solid #ccc;
  border-top: 1px solid #ccc;
}

.add .btn {
  display: block;
  width: 142px;
  height: 46px;
  background-color: #e12228;
  color: #fff;
  line-height: 46px;
  text-align: center;
}

.up {
  margin-bottom: 30px;
}

/* 详情页  */
/* 左侧 导航 */

.mix {
  margin-bottom: 50px;
}
.side {
  width: 208px;
  margin-right: 11px;
  /* background-color: cornflowerblue; */
  border: 1px solid #ccc;
}

/* .tab  */
.tab_nav li {
  float: left;
  width: 50%;
  height: 33px;
  /* background-color: #f1f1f1; */
  line-height: 33px;
  text-align: center;
  cursor: pointer;
}

.tab_nav .first {
  box-sizing: border-box;
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* tab_con */

.tab_con {
  padding: 0 10px;
}
.tab_con .item li {
  border-bottom: 1px solid #ccc;
  margin-bottom: 5px;
}
.tab_con .item h4 {
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 5px;
}

.tab_con .item .pri {
  color: #666;
  font-weight: 700;
}

.tab_con .item .btn2 {
  display: block;
  width: 88px;
  height: 26px;
  line-height: 26px;
  text-align: center;
  background-color: #f7f7f7;
  border: 1px solid #ccc;
  /* 上下边距  盒子居中显示 */
  margin: 10px auto;
}

/* 右侧内容 */
.con {
  /* background-color: pink; */
  width: 977px;
}
.con_nav {
  border: 1px solid #ccc;
  background-color: #dddddd;
}

.con_nav li {
  float: left;
  padding: 0 20px;
  height: 39px;
  line-height: 39px;
  text-align: center;
}

.con_nav .choice {
  background-color: #c81623;
  color: #fff;
}

.con_tab_con {
  padding: 24px 0 0 33px;
}

.con_tab_con li {
  line-height: 24px;
}

.con .more {
  display: block;
  float: right;
  font-weight: 700;
}
